He doesn't, actually.
His specific means of doing so was wrong, but there's absolutely nothing illegal about a cyclist dismounting and walking their bike on the pavement and over a pedestrian crossing.
I do it frequently at the Nethergate/Marketgait junction in Dundee if I just miss the green light, otherwise I'm sat there for ages.

Shop fridge breaks down
https://www.eveningtelegraph.co.uk/fp/video-shelves-emptied-dundee-aldi-chiller-breaks/
I'm glad there was a witness to this horrific event so we could get the full harrowing story.

Why? They have the rights (and I'd expect the obligation) to provide commentary of a 3pm game.
Why is this also suddenly an issue this week? They had the same number of people at Murrayfield last week as at Celtic Park yesterday but I didn't see you complaining and demanding that all but one be sent to lower league games.